The Town FilesIrmo, South Carolina
Town in Richland County · population 11,569 (2020 Census) · spans 2 counties
- Median home
- $203,400
- Household income
- $80,489
- Jan low / Jul high
- 29° / 90°
- Snow a year
- 1 in
- Tornadoes ≤10 mi since 1950
- 31
- Median age
- 40.3
Irmo is a town of 11,569 people in Richland County, South Carolina. The median home is worth $203,400, above the typical South Carolina town ($183,100). It ranks more vibrant than 90% of South Carolina towns, more upscale than 89% of South Carolina towns, better for families than 83% of South Carolina towns.
How Irmo ranks
Percentile among South Carolina towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of South Carolina towns.
Homes and cost of living
The median home in Irmo is worth $203,400, above the typical South Carolina town ($183,100). Homes cost about 2.5 times the median household income of $80,489, which is more affordable than 82% of South Carolina towns. Median rent is $1,477 a month. 81.6% of households own their home.
| Housing | Irmo | Typical South Carolina town |
|---|---|---|
| Median home value | $203,400 | $183,100 |
| Median rent | $1,477 | $937 |
| Median household income | $80,489 | $53,875 |
| Home value ÷ income | 2.5× | 3.4× |
| Homeownership | 81.6% | 68.0% |
| Median year built | 1985 | 1981 |
| Seasonal / vacation homes | 1.2% | — |
Who lives in Irmo
| People | Irmo | Typical South Carolina town |
|---|---|---|
| Median age | 40.3 | 40.0 |
| Age 65 and over | 15.5% | 17.9% |
| Under 18 | 22.9% | — |
| Bachelor's degree or higher | 39.2% | 20.0% |
| Below the poverty line | 9.2% | 17.8% |
| Veterans | 8.6% | — |
| Born outside the U.S. | 5.7% | — |
| Work from home | 14.6% | 6.8% |
| Average commute | 23.7 min | 25.3 min |
| Homes with broadband | 92.4% | 87.8% |
Weather in Irmo
July highs average 90.3°F and January lows 29.0°F. About 45.5 inches of rain and melted snow fall a year, with 0.9 inches of snow (typical South Carolina town: 0.8 in). Expect about 71 days a year at 90°F or hotter and 94 nights at or below freezing.
Tornadoes, storms and disasters
31 tornadoes have passed within 10 miles of Irmo since 1950, compared with 17 for the typical South Carolina town. 4 rated (E)F2 or stronger. The strongest, an F2, struck on December 13, 1973 about 6.7 miles from the town center. The most recent was on March 12, 2026.
Hail of 1 inch or larger has been reported within 10 miles 61 times; the largest was 2.00 inches on July 1, 2012.
Severe weather in Richland County since 1996
Richland County has been included in 26 federal disaster or emergency declarations since 1953, most often for flood, drought, hurricane.
| Declared | Incident | Declaration |
|---|---|---|
| January 23, 2026 | Winter Storm | EM-3632: Severe Winter Storm |
| September 29, 2024 | Hurricane | DR-4829: Hurricane Helene |
| September 26, 2024 | Tropical Storm | EM-3619: Hurricane Helene |
| August 5, 2024 | Tropical Storm | EM-3606: Hurricane Debby |
| August 31, 2023 | Hurricane | EM-3597: Hurricane Idalia |
Jobs and pay in Richland County
Richland County had 227,771 jobs in 2024, paying an average of $62,784 a year. Unemployment was 3% in 2023; in Irmo itself the ACS puts it at 8.4%.
Public schools in Irmo
12 public schools with 7,952 students, about 11.0 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Dutch Fork High | 9-12 | 1,705 | 14.6 |
| Irmo Middle | 6-8 | 989 | 10.6 |
| Dutch Fork Middle | 7-8 | 908 | 11.2 |
| CrossRoads Intermediate | 6-6 | 644 | 12.4 |
| H. E. Corley Elementary | PK-5 | 572 | 9.7 |
| Irmo Elementary | PK-5 | 521 | 11.3 |
| Ballentine Elementary | K-5 | 513 | 11.9 |
| Oak Pointe Elementary | PK-5 | 489 | 10.4 |
| Nursery Road Elementary | PK-5 | 464 | 8.0 |
| Dutch Fork Elementary | PK-5 | 457 | 7.9 |
| River Springs Elementary | PK-5 | 426 | 11.2 |
| GREEN Charter School Midlands (charter) | K-8 | 264 | 9.4 |
Towns near Irmo
- Lake Murray of Richland, SC4.2 mi · 8,110 people · home $422,100
- Seven Oaks, SC5.0 mi · 14,652 people · home $208,400
- St. Andrews, SC6.3 mi · 20,675 people · home $161,300
- Lexington, SC7.7 mi · 23,568 people · home $297,700
- Oak Grove, SC8.6 mi · 12,899 people · home $210,300
- Chapin, SC9.3 mi · 1,809 people · home $221,000
- West Columbia, SC9.5 mi · 17,416 people · home $201,700
- Springdale, SC11.0 mi · 2,744 people · home $221,700
Irmo questions
Is Irmo, South Carolina a good place to retire?
On The Town Files lifestyle rankings, Irmo scores better for retirees than 34% of South Carolina towns and quieter than 31%. 15.5% of residents are 65 or older (median age 40.3).
How much does a house cost in Irmo?
The median owner-occupied home in Irmo is valued at $203,400 (Census ACS 2020–2024), against a median household income of $80,489, so homes cost about 2.5 times income. Median rent is $1,477 a month.
What is the weather like in Irmo?
July highs average 90.3°F and January lows 29.0°F (NOAA 1991–2020 normals). It gets about 45.5 inches of precipitation a year and 0.9 inches of snow.
Does Irmo get tornadoes?
31 tornadoes have passed within 10 miles of Irmo since 1950 (NOAA Storm Events); the strongest was a F2 on December 13, 1973. The typical South Carolina town has had 17.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)